The two sentences are in opposition: the first says that the speaker likes baseball and the second that the speaker is not very good at it: they could be considered slightly contradictory.
So we need a connective that expresses just that: contradiction: this is "however" - the correct answer is A.
Answer:
A- Declarative sentences use a period.
<span>This book is set in the Australian outback.</span>
Advacncement of the theme
It is and it isn't but it matters how you use it you can use it to tell someone what theyre doing wrong or you can use it to hurt other peoples feelings so I think its neutral